QuickFacts

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

23.1%

of persons in Los Angeles city, California are under 18 years

25.0%

of persons in California are under 18 years

Population per square mile in Florida is

350.6

The population of Pennsylvania is

12,802,503

Median household income of Maricopa County, Arizona is

$53,689

The population of Los Angeles city, California is

3,928,864

Median household income of Philadelphia city, Pennsylvania is

$37,460

13.8%

of persons in Michigan are 65 years and over

The population of Michigan is

9,922,576

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates